in xanadu did kubla khan a stately pleasure-dome decree where alph, the sacred river, ran through caverns measureless to man down to a sunless sea. so twice five miles of fertile ground with walls and towers were girdled round; and there were gardens bright with sinuous rills, where blossomed many an incense-bearing tree; and here were forests ancient as the hills, enfolding sunny spots of greenery, cinematic lighting, detailed oil painting, hyperrealistic, 8k